This application claims the preceence of No. 10-2013-0081046th, the korean patent application that on July 10th, 2013 submits to, the full content of this application is incorporated into this with the form quoted, for all objects quoted by this.
Detailed description of the invention
Present will specifically with reference to each embodiment of the present invention, in the accompanying drawings with in following description the example of these embodiments has been shown.Although the present invention combines with exemplary and is described, should understand, this specification sheets not intended to be limits the invention to those exemplary.On the contrary, the present invention is intended to not only cover these exemplary, and covers and can be included in various replacements within the spirit and scope of the present invention that limited by claims, amendment, equivalents and other embodiment.
In the following description, provide such as " module " that be used to indicate element, the suffix of " parts " or " unit " uses, and is only used to help explanation of the present invention, and does not have himself remarkable implication any.
Fig. 1 is the block scheme of the device for the treatment of road information according to each embodiment of the present invention.
As shown in Figure 1, data detecting unit 10, navigational aid 20, vehicle control device 30, driving engine 40 and change-speed box 50 can be comprised according to the device for the treatment of road information of each embodiment of the present invention.
Below, in turn element will be described.
Data detecting unit 10 can detect the data of the driving style for the running state and chaufeur determining vehicle, and the data measured by data detecting unit 10 are sent to vehicle control device 30.Data detecting unit 10 can comprise accelerator pedal position sensor 11, vehicle speed sensor 12, gears sensor 13, accelerometer 14, steering angle sensor 15, brake pedal position sensor 16, separation between vehicles sensor 17 and global positioning system (GPS) sensor 18.
Accelerator pedal position sensor 11 measures the degree of chaufeur pressing accelerator pedal.That is, accelerator pedal position sensor 11 is measured and is intended to relevant data to the acceleration of chaufeur.
Vehicle speed sensor 12 detects car speed, and is arranged in the wheel of vehicle.
Meanwhile, can pass through to use gear shift mode computation target gear gear based on the signal from accelerator pedal position sensor 11 and the signal from vehicle speed sensor 12, and target gear gear can be shifted into by pinion.
When automatic transmission with hydraulic torque converter has multiple compound planet gear and multiple friction element, regulate the hydraulic pressure being supplied to multiple friction element or the hydraulic pressure discharged from multiple friction element.
And, when dual-clutch transmission, control the electric current being applied to multiple synchronizer gear and actuator.
Gears sensor 13 detects the gear wheel shaft gear of current connection.
Accelerometer 14 detects the acceleration/accel of vehicle.Except vehicle speed sensor 12, accelerometer 14 is installed directly to detect the acceleration/accel of vehicle, or the car speed that can be detected by vehicle speed sensor 12 by differential calculates the acceleration/accel of vehicle.
Steering angle sensor 15 detects the steering angle of vehicle.That is, steering angle sensor 15 detects the direction of vehicle intention movement.
Whether brake pedal position sensor 16 detects brake pedal and is pressed.That is, the acceleration that brake pedal position sensor 16 and accelerator pedal position sensor 11 together detect chaufeur is intended to.
Separation between vehicles sensor 17 detects the distance between the vehicle of chaufeur and front vehicles.The various sensors of such as ultrasonic transduter, infrared pickoff etc. can be used as separation between vehicles sensor 17.
GPS sensor 18 is the sensor of the position for obtaining vehicle.According to current techniques, the information of the distance between GPS sensor 18 can calculate about three or more satellites and temporal information, and the information that trigonometry can be applied to calculating is accurately to calculate the 3D current location information based on latitude, longitude and height.At present, by using three satellite calculating locations and temporal information and by using the method for the single position of satellite correction calculation and the error of temporal information to be widely used.And GPS sensor 18 can calculate the information of the speed about vehicle by the current location of Continuous plus vehicle in real time.
Navigational aid 20 is the equipment information about the route arriving destination being supplied to chaufeur.Navigational aid 20 can comprise the memory device 22 stored about the information of the compression of road ahead, and the navigation controller 24 of the overall control of execution navigational aid 20.
And navigational aid 20 comprises wireless communication unit.Wireless communication unit can comprise and allows radio communication between navigational aid 20 and wireless communication system, or between the network at navigational aid 20 and navigational aid 20 one or more modules of radio communication.
Navigational aid 20 can receive the information about vehicle from data detecting unit 10.Navigational aid 20 can export the information about road ahead to vehicle control device 30 by using the information received from data detecting unit 10.
The navigational aid 20 described in the disclosure can comprise vehicular telephone, smart phone, notebook PC (or laptop computer), digital broadcast terminal, PDA(Personal Digital Assistant), portable media player (PMP) etc.
Memory device 22 can store for the treatment of and control the program of navigation controller 24, or can be used for storing input/output data (mapping (enum) data of the data such as, detected by data detecting unit 10, navigational aid 20 etc.) temporarily.Memory device 22 can store the frequency that each data use.
Memory device 22 can be included in the storage medium of at least one type among flash memory type, hard disk type, Card Type memory device (such as, SD or XD memory device etc.), random-access memory (ram), static RAM (SRAM), read-only memory (ROM) (ROM), EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM), Programmable Read Only Memory (PROM), magnetic storage, disk and CD.The device of process road information can operate about the web storage of the memory function of execute store 22 on the internet.
Vehicle control device 30 can control driving engine 40 or change-speed box 50 based on the information exported from data detecting unit 10 or navigational aid 20.
Vehicle control device 30 can by the information (or road ahead information) using the short range road information that exports from navigational aid 20 and long distance road information to recover about road ahead.
The condition of the road that vehicle control device 30 can run thereon based on road ahead information determination Current vehicle.Road conditions comprises unique road shape, such as winding road or acclive road.
And vehicle control device 30 can based on the driving style of the data determination chaufeur detected by data detecting unit.Vehicle control device 30 can change gear shift pattern, the sensor being attached to target gear gear, engine torque mapping and/or engine torque filter according to the driving style determined.
Each embodiment described herein can be implemented in recording medium, and described recording medium can be read by computing machine or similar devices by using such as software, hardware or its combination.
According to the enforcement of hardware, each embodiment described herein can by using special IC (ASICs), digital signal processor (DSPs), digital signal processor device (DSPDs), programmable logic device (PLDs), field programmable gate array (FPGAs), treater, controller, microcontroller, microprocessor, be designed to perform the electronic unit of arbitrarily other functions and implement.In some cases, each embodiment described in the disclosure can be implemented by navigation controller 24 or vehicle control device 30 itself.
According to the enforcement of software, each embodiment of such as flow process and the function that describe in each embodiment can be implemented by the software module of separating.Each software module can perform the one or more function and operation that describe in the disclosure.Software code can by implementing with the software application of suitable programming language.
Below, with reference to Fig. 2, real road, long distance road information, short range road information and road ahead information are described.
Fig. 2 be illustrate according to each embodiment of the present invention with the view of the short range road information Sn of three-dimensional (3D) system of axes and long distance road information Sf together with real road Sr.
As is shown, short range road information Sn can comprise about in the information of 3D coordinate being positioned at the multiple points with R point on the real road Sr of predetermined distance, and long distance road information Sf can comprise about exceeding the information of 3D coordinate of the multiple points with R point on the real road Sr of predetermined distance.
When short range road information Sn and long distance road information Sf is expressed as the topology information based on latitude and longitude, reception information the vehicle control device 30 recovering road ahead information should carry out calculating that short range road information and long distance road information are converted to distance, and need to be used for the transitional information according to latitude and longitude according to latitude and longitude correction road ahead information.
Therefore, position d (1) the distance reference point of front side is p (1), position d (2) the distance d (1) of front side is the p (2) as relative distance, position d (n) the distance d (n 1) of front side is the p (n) as relative distance, relative distance between d (i 1) and d (i) is defined by east-west direction relative distance ew (i), North and South direction relative distance ns (i) and relative height h (i), and the set of information is divided into short range road information Sn and long distance road information Sf and transmits.
Such as, short range road information Sn can be represented by equation 1 below.
(equation 1)
Sn={(d,ew,ns,h):(10m,-4.53m,8.9m,-0.31m),
(20m,-4.69m,8.91m,0.63m),
(30m,-4.12m,8.99m,-0.51m),
(40m,-4.02m,9.2m,-0.41m),
(50m,-3.59m,9.38m,0m))
And long distance road information Sf can be represented by equation 2 below.
(equation 2)
Sf={(d,ew,ns,h):(100m,2.81m,-49.8m,-1.56m),
(200m,16.3m,-98.44m,-3.13m),
(600m,2.23m,-46.8m,-2.56m),
(700m,4.81m,-20.8m,-1.56m),
(800m,91.10m,35.94m,3.13m))
Short range road information Sn comprises the multiple location information fragments corresponded to the multiple positions of R point in predetermined distance, and multiple position can respectively by the first distance interval.
Long distance road information Sf comprises corresponding to exceeding and the multiple location information fragments of R point at a distance of multiple positions of predetermined distance, and multiple position can respectively by second distance interval.
Road ahead information S can comprise the information about each point on the road by predetermined distance k interval.Herein, predetermined distance k can be included in the minor increment in relative distance p1 to pn, or the factor of minor increment.
Then, about and the information of first road ahead located of the predetermined distance k in R point interval can be represented by s (1), about and the information of road ahead at second point place of first predetermined distance k in interval can be represented by s (2), and about and the information of road ahead of n-th d (n) of (n 1) point predetermined distance k in interval can be represented by s (n).
That is, road ahead information S can comprise information about the road ahead at first place to about the information of road ahead located at n-th, as shown in equation 3 below.
(equation 3)
S={s(j):j=1,...,n)}
And s (j) can comprise da (j), dr (j), ewr (j), nsr (j) and 11r (j) data.Da (j) refers to the data from i-th on road to the distance of R point, dr (i) refers to the data from (i 1) o'clock to the relative distance of i-th o'clock, ewr (i) refers to the data from (i 1) o'clock to the east-west direction relative distance of i-th o'clock, nsr (i) refers to the data from (i 1) o'clock to the North and South direction relative distance of i-th o'clock, and 11r (i) refers to the data at (i 1) point and the relative height between i-th.
Vehicle control device 30 recovers about being included in the short range road information Snl and the long road ahead information apart from the multiple points in road information Sfl that receive from navigational aid 20, and in this case, can recover by using the road ahead information recovered from short range road information Sn1 and long distance road information Sf1 in the road ahead information separately between point.
Such as, suppose from short range road being regarded as the information Sn1 of n-th and being Sk_1 by the set of the road ahead information recovered apart from the information Sf1 of road about length, and the set not comprising the road ahead information of Sk_1 is Sl_1.Then, in the road ahead information segment of S set l_1, about be included in the point between in S set k_1 two continuity point p and p+1 road ahead Information Pull based on the linear interpolation of sk_1 (p) and sk_1 (p+1) value and recovered.
In the past after predetermined time T, as the new information Sn2 about short range road with when being received about the long new information Sf2 apart from road, vehicle control device 30 can pass through to use the road ahead information S being recovered by short range road message Sn2 and long Sk_2 and Sk_1 apart from road message Sf2 recovery to restrain on real road Sr.
Below, navigational aid 20 will be described through by short range road message Sn and the long method exporting vehicle control device 30 apart from road message Sf to.
Fig. 3 illustrates the diagram of circuit being exported the method for short range road information and long distance road information by navigational aid according to each embodiment of the present invention.First, navigation controller 24 receives the gps signal (S10) from GPS sensor.Navigation controller 24 determines the validity (S11) of gps signal.
When gps signal and non-effective time, invalid signals can be exported to GPS sensor 18 or vehicle control device 30 by navigation controller 24, and again receives gps signal.
When gps signal is effective, navigation controller 24 detects the first short range road information Sn1 and first long distance road information Sf1(S13 by using the position of the vehicle determined based on the gps signal from memory device 22).
Navigation controller 24 exports the first short range road information Sn1 detected and first long distance road information Sf1 to vehicle control device 30(S14).
Below, navigation controller 24 determines whether to have pass by predetermined time T(S15 from the first short range road information Sn1 and first long distance road information Sf1 exports).
When determining to pass by predetermined time T, navigation controller 24 exports the second short range road information Sn2 and second long distance road information Sf2 to vehicle control device 30(S16).Navigation controller 24 determines output termination condition (S17).
Such as, when being closed when lighting a fire or being received from the input for the transmission stoping short range road information Sn and long distance road information Sf of chaufeur, navigation controller 24 can stop the output of short range road information Sn and long distance road information Sf.
When determining not meet output termination condition, navigation controller 24 exports the second short range road information Sn2 and second long distance road information Sf2, and afterwards, navigation controller 24 determines whether to have pass by predetermined time T(S15 again).
Below, be described through with reference to Fig. 4 the method that the vehicle control device 30 receiving short range road information Sn and long distance road information Sf recovers road ahead information.
Fig. 4 illustrates the diagram of circuit being recovered the method for road ahead information by the device of process road information according to each embodiment of the present invention.First, vehicle control device 30 receives the first short range road information Sn1 and the first long distance road information Sf1(S20 exported from navigation controller 24).
Then, vehicle control device 30 determines the validity of the first short range road information Sn1 and the first long distance road information Sf1 received.
When determine the first short range road information Sn1 and the first long distance road information Sf1 and non-effective time, vehicle control device 30 can receive the first short range road information Sn1 and first long distance road information Sf1(S20 again).
When determining that the first short range road information Sn1 and first long distance road information Sf1 is effective, vehicle control device 30 calculates the first road ahead information (S22) by use first short range road information Sn1 and first long distance road information Sf1.
Whether vehicle control device 30 moves (S23) by using the data determination vehicle received from data detecting unit 10.Such as, by using the car speed sensed by vehicle speed sensor 12, vehicle control device 30 can determine whether vehicle moves.Alternately, by using the vehicle location exported from GPS sensor 18, vehicle control device 30 can determine whether vehicle moves.
When determining that vehicle moves, vehicle control device 30 is according to the amount of movement (S24) of the mobile update coordinate of vehicle.Such as, vehicle control device 30 can by the distance using the car speed that be sensed by vehicle speed sensor 12 to calculate vehicle movement, and upgrades the amount of movement of coordinate based on the miles of relative movement of vehicle.Alternately, vehicle control device 30 can calculate the distance of vehicle movement by using the vehicle location exported from GPS sensor 18, and upgrades the amount of movement of coordinate based on the miles of relative movement of vehicle.
Further consider that amount of movement and the vehicle of coordinate after vehicle moves grow the distance of the R point movement apart from road information Sf1 ' from the first short range road information Sn1 ' and first, vehicle control device 30 recovers the first road ahead information S1 ' (S25) after vehicle moves.
In the first short range road information Sn1 and first long distance road information Sf1, vehicle control device 30 can by use first short range road information Sn1 ' and first long distance road information Sf1 ', and the information do not comprised about having run the road of the position reached corresponding to vehicle, after vehicle moves, recover the first road ahead information S1 '.
Such as, when vehicle moves 20m, be included in 10m road information, 20m road information, 30m road information, 40m road information and 50m road information in the first short range road information Sn1, vehicle control device 30 can by using 30m road information, 40m road information and 50m road information, and do not comprise 10m road information and 20m road information, namely, about the information having run the road of the position of 10m and 20m reached corresponding to vehicle, after vehicle moves, recover the first road ahead information S1 '.
Below, when determining that vehicle moves, vehicle control device 30 receives the second short range road information Sn2 and second long distance road information Sf2(S26 from navigation controller 24).
Then, vehicle control device 30 determines the validity (S27) of the second short range road information Sn2 and the second long distance road information Sf2 received.
When determining that the second short range road information Sn2 and second long distance road information Sf2 is effective, vehicle control device 30 recovers the second road ahead information S2 by use first short range road information Sn1 ', the first long distance road information Sf1 ', the second short range road information Sn2 and second long distance road information Sf2 after vehicle moves.
When determine the second short range road information Sn2 and the second long distance road information Sf2 and non-effective time, vehicle control device 30 can receive the second short range road information Sn2 and second long distance road information Sf2(S26 again).
Below, with reference to Fig. 5 and Fig. 6, short range road information Sn, long distance road information Sf and road ahead information S are described.
Fig. 5 and Fig. 6 is the view of the road ahead information of the device recovery by process road information illustrated according to each embodiment of the present invention.As shown in Figure 5A, vehicle control device 30 can receive about with the R point of real road Sr at a distance of the first short range road information Sn1 of the multiple positions in predetermined distance and the first long distance road information Sf1 of multiple positions exceeding predetermined distance about the R point with real road Sr apart.
Then, as shown in Figure 5 B, vehicle control device 30 can recover the first road ahead information S1 by use first short range road information Sn1 and first long distance road information Sf1.
Passing by after predetermined time T, as shown in Figure 6A, vehicle control device 30 can receive the second short range road information Sn2 and second long distance road information Sf2.
Then, as shown in Figure 6B, vehicle control device 30 can recover the second road ahead information S2 by use first short range road information Sn1 ', the first long distance road information Sf1 ', the second short range road information Sn2 and second long distance road information Sf2 after vehicle moves.
Conveniently explain and accurately limit claims, being used to position with reference to these features shown in accompanying drawing after term etc. to describe the feature of exemplary.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.Limit the present invention is not thought in these descriptions, or the present invention is defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Select exemplary and to be described be to explain certain principles of the present invention and practical application thereof, thus others skilled in the art can be realized and utilize various exemplary of the present invention and different choice form thereof and modification.Scope of the present invention is intended to limited by appending claims and equivalents thereof.